Online Tool Store
· 4 min read
How to Scale Pizza Dough by Baker's Percentage
Manesh Jayawardhana
CIO & Co-founder
A recipe for four bases, doubled for eight, using the same amount of yeast per base and a 48-hour cold ferment instead of the four hours it was written for.
The dough over-proofs, collapses, and tastes strongly of yeast. Everything scaled correctly except the one ingredient that should not have.
Baker’s percentage scales everything from flour
Every ingredient is expressed as a percentage of flour weight. Flour is always 100%.
A dough at 62% hydration, 2.8% salt and 0.15% yeast means 620 g water, 28 g salt and 1.5 g yeast per kilogram of flour. Those percentages hold at any batch size, which is the point.
To hit a target total dough weight:
flour = total weight ÷ (1 + hydration + salt + yeast, as decimals)
Six 250 g balls is 1,500 g of dough. At 62% hydration, 2.8% salt and 0.15% yeast, the divisor is 1.6495, giving about 909 g of flour and everything else from there.
Working this way means a recipe is a set of percentages rather than a set of quantities, and it scales to one base or fifty without arithmetic errors.
Yeast does not scale with batch size
Yeast scales with flour, like everything else — but the percentage itself depends on the fermentation schedule, and that is what people miss.
A four-hour room-temperature dough needs enough yeast to produce a full rise in four hours. A 48-hour cold ferment gives the same yeast twelve times as long and cooler conditions, so it needs a fraction of the quantity.
| Schedule | Typical yeast |
|---|---|
| 4 hours, room temperature | ~1% fresh yeast |
| 24 hours, cold | ~0.3% |
| 48 hours, cold | ~0.15% |
| 72 hours, cold | ~0.1% |
Using the four-hour quantity for a 48-hour ferment over-proofs the dough badly. It rises, exhausts its available sugars, collapses, and develops a strong yeasty flavour that no amount of good baking recovers.
This is the single most common error when someone moves from same-day to cold-fermented dough.
Hydration depends on flour and oven
Higher hydration gives a more open, airy crumb and a lighter base. It also makes the dough stickier, harder to shape, and less forgiving.
Around 60 to 65% suits most domestic ovens and most people’s handling skills. Neapolitan dough traditionally runs higher, and it wants a very hot oven — the high water content needs to flash to steam quickly, which a 250 degree domestic oven cannot really do.
Flour matters too. Higher-protein flour absorbs more water, so 65% hydration with strong bread flour handles like a lower percentage with a weaker flour. Adjusting by feel on the first batch and recording what worked is more reliable than any table.
Dough temperature drives everything
The variable that makes two batches from the same recipe behave differently.
Fermentation rate roughly doubles for every 8 to 10 degrees Celsius, so dough finishing at 26 degrees ferments substantially faster than dough at 20. Same yeast, same schedule, different outcome.
Bakers control it by adjusting water temperature, since the flour and the room are whatever they are. The target is a finished dough temperature, and the water is what gets you there.
A thermometer in the dough immediately after mixing takes five seconds and tells you whether the schedule you planned is the schedule you will get. Without it, a cold kitchen turns a 24-hour ferment into something closer to 36, and a warm one over-proofs it.
Common mistakes to avoid
- Scaling yeast with batch size but not adjusting it for the schedule.
- Copying a hydration figure without accounting for your flour’s protein content.
- Cold fermenting in a container with no room for expansion.
- Using dough straight from the fridge, which shapes badly — let it come to room temperature.
- Not recording what worked, which means starting over each time.
How to do it with Pizza Dough Calculator
The Pizza Dough Calculator scales by baker’s percentage.
- Set the number of bases and ball weight.
- Choose hydration by style and by your oven’s temperature.
- Pick the fermentation schedule — this sets the yeast, and it is the number that ruins a long ferment.
- Record the percentages that worked so the next batch is reproducible.
Other kitchen tools are in the tools directory.
Frequently asked questions
What hydration should I use?
Around 60 to 65% is forgiving and suits a domestic oven. Higher gives a more open crumb and needs high heat and more skill to handle.
Why does long fermentation use less yeast?
Because the yeast has far longer to work. Using a same-day quantity for a 48-hour ferment over-proofs the dough — it collapses and tastes strongly of yeast.
Does flour type matter?
Considerably. Higher-protein flour absorbs more water, so the same hydration percentage handles differently. Adjust by feel on the first batch and write down what worked.
Final thought
Scale the flour, then set the yeast from the schedule rather than the recipe. Those are two separate decisions and treating them as one is what ruins a long ferment.